#video | the Last seconds of life, falling to the Earth Chinese space station
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At this point in the orbit of our planet is the international space station. Inside it live a group of cosmonauts from different countries and conduct various studies: they study the effects of weightlessness on the human body, and experiment on animals. To conduct such research, China is developing its own station — it will consist of several parts, the first of which is scheduled to send into orbit in 2020. The health of the future station was tested on a test apparatus, "the Tiangong-2", which is yesterday . The last second of her life was filmed on video.
Immediately it is worth noting that "the Tiangong-2" was fully operational — Chinese scientists deliberately destroyed it, because she spent all the necessary research and was unnecessary. She was sent into orbit in September 2016 and in October it docked with the manned spacecraft "Shenzhou 11" with taikonauts (so-called astronauts working in the space programs of China) named Jing Hypen and Chen Dong. They stayed at the station for a month, and then successfully returned to Earth.
Destruction of the Chinese space station
The Station "Tiangong-2" began to burn in the Earth's atmosphere at four o'clock Moscow time. Parts of it are not burned and fell into the so-called "dead zone" of the Pacific where no one lives. Start of combustion was recorded on video using a camera attached to the hull. The destruction of the huge 10-meter apparatus can be observed as long as the atmosphere is not destroyed the camera itself.
Why do objects burn up in the atmosphere?
When the Earth is falling spacecraft, asteroid or other object moving at extremely high speed and begins to heat to the critical temperature. This happens for several reasons. First, the surface of the falling body starts to come into contact with air, and during this friction the surface of the object heats up and it begins to break down. Second, the object enters the dense gas environment of the planet in front of him and formed a shock wave in which there are sharp fluctuations of density and pressure of particles of gas, which is also strongly heats the surface.
This is interesting: will Drop this fall.
Due to high temperature, devices without thermal protection and the more space objects like meteorites are completely destroyed in the Earth's atmosphere. To prevent this, companies like SpaceX equip the reusable part of launch vehicles durable protection from high temperatures. In early July of 2019, she managed to return to Earth for the head fairing of the rocket , and it is the entrance to the dense layers of the atmosphere.
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